The iceberg, called B-15, has been drifting away from Antartica for around 20 years, covering more than 6,600 miles. The iceberg has gradually fractured into multiple smaller sections, and the section pictured is called B-15Z.

This map tracks the course of B-15Z over time, and the iceberg is now passing the South Georgian Islands. The iceberg is nearing the equator, and the warmer tropical waters will quickly melt away the gargantuan ice mass,